function setdiaocha(obj){
    var tt = false;
    var dc = document.getElementsByName("dc");
    var xzxm = 0;
    for(var i=0;i<dc.length;i++){
        if(dc[i].checked){                
            xzxm = dc[i].value;
            tt = true;
        }
    }
    if(tt){
         window.open("../diaocha_m.jsp?op=setdiaocha&id="+obj+"&itemid="+xzxm);
 	    }else{
        alert("请选择调查选项!");
    }
 	    return tt;
}